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Finding the Fourth Proportional to 18,205.62, 27,324.71 and 9,327.00

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Solution

The fourth proportional to 18,205.62, 27,324.71 and 9,327.00 is: 13,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.62 : 27,324.71 = 9,327.00 : x
  2. Step 2: Convert to fraction form
    18,205.62/27,324.71 = 9,327.00/x
  3. Step 3: Cross multiply
    18,205.62x = 27,324.71 × 9,327.00
  4. Step 4: Simplify right side
    18,205.62x = 254,857,533.29
  5. Step 5: Solve for x
    x = 254,857,533.29/18,205.62
  6. Step 6: Final answer
    x = 13,998.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.